Unit 3 Inventors and inventions课时作业

learning about language

Ⅰ.单句语法填空

　　1．It is vital that these forms ________ (send) back as early as possible.

　　答案：(should) be sent　It is vital that ... "......是十分重要的"。其中that从句谓语动词应用"should＋动词原形"，should可以省略。

　　2．________ the aid of our professor, we finished the experiment successfully.

　　答案：With　with the aid/help of ... "在......的帮助下"。

　　3．You'd better put things back ________ place. Otherwise, it will be difficult to find them.

　　答案：in　in place "在适当的位置"。

　　4．We ________ (watch) TV when there was a power failure.

　　答案：were watching　be doing ... when ... "正在做......这时......"，再由"there was ..."可知应用过去进行时，故填were watching。

　　5．The new technology, if ________ (apply) to rice growing, will help increase the grain output.

　　答案：applied　从句为状语从句的省略形式。The new technology与apply之间为逻辑上的被动关系，故应填过去分词作状语。

　　6．Men and women should ________ (treat) equally in education and employment.

　　答案：be treated　treat和Men and women在逻辑上存在动宾关系，应用被动语态。

　　7．His head had struck the wall and ________ (bleed)．

　　答案：was bleeding　此处表示头部正在流血，前一分句用了过去完成时，故此处应用过去进行时，表示过去某时正在持续的状态。

　　8．Everyone arrived late at the party for ________ (variety) reasons.

答案：various　修饰名词reasons应用形容词，表示"各种各